sinfonia noun. [sɪnfǝ'ni:ǝ, sɪn'fǝʊnɪǝ] L18.
[Italian: see SYMPHONY.]
Music.
1. In baroque music, an orchestral piece used as an introduction to an opera, cantata, or suite; an overture. Also (rare), a symphony. L18.
sinfonia concertante [sɪnfǝ,ni:ǝ kɒntʃǝ'tanti] a symphonic work exhibiting characteristics of the concerto.

2. (Sinfonia.) (The title of) a small symphony orchestra. L20.

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